NAME
Mojolicious::Validator - Validate values
SYNOPSIS
use Mojolicious::Validator;
my $validator = Mojolicious::Validator->new;
my $v = $validator->validation;
$v->input({foo => 'bar'});
$v->required('foo')->like(qr/ar$/);
say $v->param('foo');DESCRIPTION
Mojolicious::Validator validates values for Mojolicious.
CHECKS
These validation checks are available by default.
equal_to
$v = $v->equal_to('foo');String value needs to be equal to the value of another field.
in
$v = $v->in('foo', 'bar', 'baz');String value needs to match one of the values in the list.
like
$v = $v->like(qr/^[A-Z]/);String value needs to match the regular expression.
num
$v = $v->num;
$v = $v->num(2, 5);
$v = $v->num(-3, 7);
$v = $v->num(2, undef);
$v = $v->num(undef, 5);String value needs to be a non-fractional number (positive or negative) and if provided in the given range.
size
$v = $v->size(2, 5);
$v = $v->size(2, undef);
$v = $v->size(undef, 5);String value length or size of Mojo::Upload object in bytes needs to be between these two values.
upload
$v = $v->upload;Value needs to be a Mojo::Upload object, representing a file upload.
FILTERS
These filters are available by default.
not_empty
$v = $v->optional('foo', 'not_empty');Remove empty string values and treat them as if they had not been submitted.
trim
$v = $v->optional('foo', 'trim');Trim whitespace characters from both ends of string value with "trim" in Mojo::Util.
ATTRIBUTES
Mojolicious::Validator implements the following attributes.
checks
my $checks = $validator->checks;
$validator = $validator->checks({size => sub ($v, $name, $value, @args) {...}});Registered validation checks, by default only "equal_to", "in", "like", "num", "size" and "upload" are already defined.
filters
my $filters = $validator->filters;
$validator = $validator->filters({trim => sub {...}});Registered filters, by default only "not_empty" and "trim" are already defined.
METHODS
Mojolicious::Validator inherits all methods from Mojo::Base and implements the following new ones.
add_check
$validator = $validator->add_check(size => sub ($v, $name, $value, @args) {...});Register a validation check.
$validator->add_check(foo => sub ($v, $name, $value, @args) {
...
return undef;
});add_filter
$validator = $validator->add_filter(trim => sub ($v, $name, $value) {...});Register a new filter.
$validator->add_filter(foo => sub ($v, $name, $value) {
...
return $value;
});new
my $validator = Mojolicious::Validator->new;Construct a new Mojolicious::Validator object.
validation
my $v = $validator->validation;Build Mojolicious::Validator::Validation object to perform validations.
my $v = $validator->validation;
$v->input({foo => 'bar'});
$v->required('foo')->size(1, 5);
say $v->param('foo');